Wiwhowiwg-machxne



G. w. D. & J. CULP.

Grain Winnower.

' Patented Aug. 4, 1843;

UNITED STATES PATENT OFFICE.

GEO. W. D. GULP AND JOS. GULF, OF ALLENSVILLE, INDIANA.

WINNOWING-MACHINE.

Specification of Letters Patent No. 3,209, dated August 4, 1843.

To all whom it may concern:

Be it known that we, GEORGE D. CULP and JOSEPH CULP, of Allensville, in the county of Switzerland and State of Indiana, have invented a new and useful Machine for \Vinnowing Grain; and we do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawings, which form a part of this specification, in which Figure 1, is a perspective view; Fig. 2, a vertical section.

The nature of our invention consists in combining the shaking shoe with the wind wheel in such a Way that all parts of the shoe shall have nearly the same motion, and the grain be acted on in the most effectual manner.

The frame of our machine is nearly square and composed of four ports with proper cross ties to connect them; between the ports on one side of this machine there is a fan A, the wings of which are radial and oblique to its axis; this fan is boxed in with a square casing (b). The top of the frame is covered in with boards through which there is an aperture large enough for a hopper (0). Under this hopper a shaking shoe (d) is placed which is suspended by fourstraight metal springs ((Z) by which it is attached to the frame above; one end of the springs being fastened to the frame, and the other to the shoe near its bottom; the sides of the shoe are vertical and nearly fill the frame from side to side leaving only suflicient room for play; the bottom board slants up from the fan to ward the other end at an angle of about 45 above this the screens are placed nearly horizontally and just under the mouth of the hopper is a slanting conductor for con veying the grain onto the seives; at the end of the shoe next the fan there is a pitman (e) hitched to one side that extends into the center and connects with a crank on the inner end of the fan shaft by which means the shoe is shaken; the other end of the fan The combination of the shoe (d) constructed and suspended in the manner de scribed wlth the arrangement of the crank and pitman rod all as descrlbed.

G. W. D. CULP. JOSEPH GULF.

lVitnesses AMos EDWARDS, CORNELIUS D. PLATT. 

